Php :: Sessions Not Recognized When Going Through Flash / Uploadify
Jan 15, 2011
I'm writing an application which uses cookie-based sessions for authentication. All was well until I tried to integrate the uploadify jQuery plugin into my site. I need uploadify to send the files to my upload.php file. When I check the existence of any preknown session variables in that upload.php script, I get nothing. I've tried print_r($_SESSION) and got an empty array.
I'm not sure if this a problem with my php sessions code or my jquery uploadify code. I'm somewhat new at both.
/** INSIDE JQUERY **/
$('.fileUploadify').uploadify({
'scriptData': {'filesUploaded':'1','PHPSESSID' : <?php echo
[Code]....
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Jan 28, 2010
Since the Flash Player (or, more exactly, the URLLoader class) will not let you read HTTP response headers or cookies set by the server, and if you get hold of a session cookie through some workaround like reaching out to the browser and run JS, you can't send it to the server, because, among others, the Cookie header will be blocked. Now I'm building a Flex client against an HTTP API for my server product. I control both sides, so I can get get around the above limitations, now I'm wondering how. I see the following options:
include the session token in the HTTP payload include the token in the URL build my own HTTP client (... with blackjack, and hookers ...) in AS, using the Socket class I don't like (1), because I'm reimplementing functionality in my protocol that is already built into Struts, which I'm using to implement the server side. I then have to ensure that either both behave the same way, or turn off the usual way of session management and force other clients to use my protocol where they could just have the browser deal with it. I don't like (2), because I understand that there are security concerns with this, although I'm not too sure which
I don't like (3), because it's 2010 and tons of HTTP clients have been written by smarter people than me. So, are there other opportunities? Which of my "don't like"s do you reckon least severe? Are there ways to mitigate the problems I listed? For example, how insecure are session tokens in URLs really?
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Apr 28, 2011
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Mar 27, 2012
I'm trying to change the way an Uploadify button looks using the solutions posted here. Instead of changing the Flash file, I want to do it with CSS.
What this involves is wrapping the file input and flash object in a div:
[Code]...
It shows a bizarre blue rectangle over the top of my background-image. Does anyone know why this is appearing? I've tried fiddling with the CSS properties of the object (visibility and hidden) - both hide the entire swf object (and so the blue rectangle), which is useless since it needs to be visible for users to click on.
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Jan 31, 2011
I'm trying to use uploadify to upload images to a remote server. I've have done everything I can think of for the cross scripting issue or whatever. Here is what i've done. scriptAccess to 'Always' in the uploadify function. I have a crossdomain.xml on my ww2 server with uploadify.swf in the root as well. I have uploaded my javascript jquery lib file to the remote ww2 server and put it in the header I put the jquery.uploadify.js and the swfobject.js in the root directory as well.
If I try to click the X to cancel a file I get the error: Error calling method on NPObject Or uploads don't work either. If anyone can help with this that would be great. If there are any other good flash based or non flash based multi uploaders that will do remote files with no issue please let me know.
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Mar 31, 2010
I'm running into an issue with Uploadify. I have put Uploadify into my app and all works fine in dev (using the VS web server). All worked fine and checked until I deployed the app into my test environment which uses Integrated Windows Authentication. When I actually go to upload the file, the browser brings up a login prompt. At this point, even if you type in the correct username and password, the request seems not to complete and even if you tell the browser to remember the password it still brings up the login prompt.
When this started to occur, I decided to spin up Fiddler and see what was going on. But guess what, when ever Fiddler is running the issue doesn't occur. Unfortunately I can't make running Fiddler a reuqierment for running the app. I know there are some issues with Uploadify/flash when using forms authentication but I didn't think they carried across to Integrated Windows Authentication.
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Feb 18, 2011
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Feb 28, 2011
I have an HTML form with a file upload element, which is based on Uploadify. Unfortunately, if the browser doesn't have flash installed/enabled (I tested on Chrome and Safari), then the file upload element is completely disappearing, while I would have expected to have at least plain, regular, file upload html element as a fallback.
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Code:
<?php
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{
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[Code]......
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[Code]....
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[Code]...
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Feb 21, 2010
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Jul 6, 2011
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Jul 7, 2011
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[code]....
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Jul 21, 2011
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Apr 19, 2010
I have been using Uploadify in my PHP application for the last couple months, and I've been trying to track down an elusive bug. I receive emails when fatal errors occur, and they provide me a good amount of details. I've received dozens of them. I have not, however, been able to reproduce the problem myself. Some users (like myself) experience no problem, while others do. Before I give details of the problem, here is the flow.
[Code]...
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Jun 9, 2011
I have successfully implemented a copy of uploadify into my site. The SWF button shows, I can click on it and browse my files. However, the rubber meets the road whenever it comes to file files showing the queue.For some reason, when I select a file, there isn't any queue, even though I have followed uploadify directions. on how to overcome this? Here are the relative parts of my code:
<!DOCTYPE html>
<html>
<head>
[code].....
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